| Borehamwood to Orangevale (California) | 5,253.87 mi (8,455.29 km) |
| Borehamwood to Orchards (Washington) | 4,887.34 mi (7,865.42 km) |
| Borehamwood to Orcutt (California) | 5,450.51 mi (8,771.75 km) |
| Borehamwood to Oregon (Ohio) | 3,786.12 mi (6,093.17 km) |
| Borehamwood to Oregon (Wisconsin) | 3,954.73 mi (6,364.52 km) |
| Borehamwood to Oregon City (Oregon) | 4,908.96 mi (7,900.21 km) |
| Borehamwood to Orem (Utah) | 4,868.49 mi (7,835.07 km) |
| Borehamwood to Orinda (California) | 5,328.94 mi (8,576.11 km) |
| Borehamwood to Orland Park (Illinois) | 3,958.69 mi (6,370.90 km) |
| Borehamwood to Orlando (Florida) | 4,332.07 mi (6,971.80 km) |
| Borehamwood to Ormond Beach (Florida) | 4,281.24 mi (6,889.99 km) |
| Borehamwood to Oro Valley (Arizona) | 5,277.84 mi (8,493.86 km) |
| Borehamwood to Oroville (California) | 5,217.01 mi (8,395.97 km) |
| Borehamwood to Oshkosh (Wisconsin) | 3,873.14 mi (6,233.22 km) |
| Borehamwood to Oskaloosa (Iowa) | 4,153.31 mi (6,684.10 km) |
